Will Iran obtain a nuclear weapon? That's the hot-button question for the U.S. government as the United Nations General Assembly meets in New York this week. No one knows for sure, (except maybe Space Cat). But if you asked American futurists of the early 1980s, they'd probably tell you that it's bound to happen by… »9/25/13 2:25pm 9/25/13 2:25pm

The US and USSR had more than 60,000 nuclear warheads pointed at each other at the height of the Cold War. While the Non-Proliferation Treaty of 1970 and START in 1994 have shrunk that figure to around 26,000, nobody is really sure how many still exist—because nobody’s ever actually verified the number of warheads,…»4/30/13 11:30am 4/30/13 11:30am